]> Pileus Git - ~andy/linux/commitdiff
mmc: msm_sdcc: remove needless cache flush after dma_unmap_sg()
authorLinus Walleij <linus.walleij@linaro.org>
Wed, 16 Feb 2011 22:28:53 +0000 (23:28 +0100)
committerChris Ball <cjb@laptop.org>
Thu, 17 Mar 2011 19:34:40 +0000 (15:34 -0400)
dma_unmap_sg() already flushes the cache, I don't get what this
code is doing here.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/msm_sdcc.c

index 153ab977a013638a7d1a187d3bdb73a33c8d2345..67b08819556dee94b898c4c84512c5403c06ff38 100644 (file)
@@ -266,14 +266,6 @@ msmsdcc_dma_complete_tlet(unsigned long data)
        dma_unmap_sg(mmc_dev(host->mmc), host->dma.sg, host->dma.num_ents,
                     host->dma.dir);
 
-       if (host->curr.user_pages) {
-               struct scatterlist *sg = host->dma.sg;
-               int i;
-
-               for (i = 0; i < host->dma.num_ents; i++)
-                       flush_dcache_page(sg_page(sg++));
-       }
-
        host->dma.sg = NULL;
        host->dma.busy = 0;